In 1953, Davis returned from Europe to America to marry Jack David Alexander who, in 1962, was among the 45 crew and passengers killed in a Continental Airlines Flight 11 crash near Centerville, Iowa.[6] It was the first known case of sabotage aboard a commercial jet airliner. Jack was a former saxophonist and advertising entrepreneur. He had studied one semester (fall 1950) at the University of North Texas during which time he had playing in Lab Band directed by Gene Hall. Because of the Korean War, Alexander left school to join the U.S. Army Special Service — a 3 year tour. In 1955, he was an account executive at PAMS.[7] In 1960, Alexander earned a bachelor of art degree from Southern Methodist University. He had also been a partner at Futuresonic Productions Inc., a producer of jingles.

Monte and Jack had two girls: Monte Ann and Katherine Lee (born 1961; married to Bryan Lee).[8]